This work represents a petrophysicalbased method that uses well logs and core plug data to predict well log data recorded at depth in a shaly. Well log is one of the most fundamental methods for reservoir characterization, in oil and gas industry, it is an essential method for geoscientist to acquire more knowledge about the condition below the surface by using physical properties of rocks. Jlog works with wireline log and lwd log data indexed to depth. Free, lowcost, and open access data and software for petroleum exploration and production susan s. In addition, the rock surrounding the borehole has certain properties that affect the. Free, lowcost, and open access data and software for. Log studio advanced well log analysis platform petroware. Well logs can tell us many stories about our reservoir. Log studio is the petroware reference implementation for witsml and related. Geoloil is a software company for petrophysics interpretation on windows, macos, and linux. For clean formations you need salinity of formation water or sp log value, desityneutron log values and a.
How to easily read a well log in 5 minutes or less using these six ko ko rules published on. Remember that a borehole represents a dynamic system. Crains petrophysical handbook metalog expert system. Well log analysis for reservoir characterization aapg wiki. Jlog is designed for those who do log analysis from time to time on unconventional reservoirs and conventional reservoirs with one or many zones that have all the same characteristics such as rw, rmf, grclean and so on.
Combining technically excellent display, editing and analysis capabilities for well data, wellcad has become the standard log composite software in the mining, oil gas and geotechnical industries. This chapter presents an expert system for log analysis, written in lotus 123, which is inexpensive, simple, and well tested. Perhaps the best way to begin a study of logging is. Petrophysicists interpret acquired well log data from newly drilled wells from a. This chapter addresses the use of search log analysis also referred to as transaction log analysis for the study of web searching and. Our log analysis software is service company independent and were experts in the manipulation and analysis of large data sets with diverse log types. The log heading should contain all of the information that is. The methodology of search log analysis of web search engines, intranet searching, or other web searching applications. Pioneer well log database the pioneer well log database consists of a microsoft access 7. It provides easy key board control for well log curves. Pdf intelligent well log data analysis for reservoir. The plot also suggests the density, neutron and pefz logs are well calibrated. Well log digitizing, well log digitization, well log.
This software will help you to find oil and water saturation of your reservoir. We offer a trial las well log viewer and displayer. A well log is a permanent record of the geophysical information measured at the time the log was performed. Well log interpretation training course petroskills wli. Logidigis well log digitizing fee is much cheaper than. If one has been using a spreadsheet for log analysis the table of data can be imported. Although the interpretation example is an exercise in the qualitative art of well log analysis, it raises a number of issues. This is a very fine introduction to petroleum well log analysis. Petrophysics and well logging research papers academia. The value of the measurement is plotted continuously against depth in the well. Import bitmap files bmp, tif, jpg, png of cores cuttings and thin sections.
Easytrace well log analysis easytrace is a multidisciplinary 1d data processing and editing tool, featuring a wide range of functionalities for geologists, geophysicists and reservoir engineers within a very productive package. Asquith, george b log analysis by microcomputer, the petroleum publishing company, tulsa 1980. Well log digitizing, well log digitization services, well. Jlog petrophysical software petrophysics software formation. Neuralog digitize well logs, digitize maps, well log. Jlog petrophysical software well log analysis software. Free, secure and fast mac log analysis software downloads from the largest open source applications and software directory. Petrophysicists look at the well log patterns, recognize the trends, and then turn those patterns into reservoir knowledge. We offer complete petrophysical and well log analysis services, including the integration of openhole and casedhole logging data with core analyses and geologic core descriptions. Welllogging correlation analysis and correlation of well logs in rio grande do norte basin wells ricardo afonso salvador pernes march, 20 ricardo. View petrophysics and well logging research papers on academia. Geoloil petrophysics analysis software for windows, macos, and.
We offer the worlds only purposebuilt well log scanner, bestinclass well log printers, industrystandard automated well log and map digitizing software, the most efficient geology analysis package, and a gisbased data access and visualization application that seamlessly pulls it all together. Geophysical and geological reservoir characterization both require specific log processing and editing, for example rocktyping from logs and cores, seismic. Prime is a software package to process, analyze and store. Well data is stored in the database, and then the database reads the las files to create log curve tables based on subsea depth and usersupplied parameters.
Easytrace well log analysis easytrace is a multidisciplinary 1d data processing and editing tool, featuring under a very productive package a wide range of functionalities for geologists, geophysicists and reservoir engineers. It is arranged by the interpretation goals of the data, rather than by the underlying physics of the measurements. Michael webster michael webster is a senior petrophysics specialist with over 34 years experience in the oil and gas industry covering all aspects of petrophysics from exploration and appraisal, to producing mature giant fields. Our user friendly las well logs reader, editor, viewer and plotter provides a quick and easy, yet powerful tool to open, visualize, change curve values, and plot well log petrophysics data. Pdf petrophysical analysis of well logs for reservoir. It is written very clearly and designed from the ground up. A typical desk top interpretation may consist of manual data extraction from log prints, hand plotting the appropriate crossplots for parameter selection, and then processing the data level by level in a hand held programmable calculator. Each colorful line, each curve deflection and each curve type create the story of our reservoir. Log analysis without the aid of taped or digitized data, and a minicomputer, is a tedious chore. This study presents the log analysis results of a suite of geophysical logs comprising gamma ray gr, resistivity lld, neutron phin and density phid logs from six wells in laja field located in the niger delta. Well log digitizing, well log digitization, well log digtize software, well log scanning, map digitizing, well log analysis, well log interpretation, mining log, logdigi improved petrophysics analysis software, well logging digitizing, mapping digitizing, data normalization and correlation, well log normalization, correlation functions, normalize, correlate, fence diagram, automated log. Well log data analysis plays an important role in petroleum exploration. Welllogging plays a central role in the successful development of a hydrocarbon reservoir. If one has been using a spreadsheet for log analysis the table of data can be imported by jlog if depth is present in one column.
Nash, phdaapg director of education and professional development, tulsa, ok bryan flynngeophysicisthgs continuing education committee, houston thom tucker, cpghgs continuing education committee, houston imagine a geologist, an engineer, and a landman sitting at their local. Geoloil petrophysics analysis software for windows, macos. Google scholar a guide to well site interpretation for the. Petrophysical analysis of well logs for reservoir evaluation. None of the published works provide a comprehensive explanation of the methodology. Basic well log analysis is a general introduction to common openhole logging measurements, both wire line and mwdlwd, and the interpretation of those measurements to determine the traditional analytical goals of porosity, fluid saturation, and lithologymineralogy. The eesi easy las viewer is a log ascii standard las file reader and log curve.
Geoloil petrophysics runs on windows pc, macos, and linux. Las is the preferred format since it contains more information and is available from all logging vendors. Welllogging correlation analysis and correlation of well. Latest updates on everything log analysis software related. The well log the well log studentled spe publication. Without going into the specifics of the logging measurements, the log format conventions are presented, and an example is given that indicates the process of locating possible hydrocarbon zones from log measurements. Well log analysis, well log interpretation, well logging. How to easily read a well log in 5 minutes or less using. Pioneer well log database michigan technological university. Provides a permanent record of one or more physical measurements as a function of depth in a well bore. Eesi las viewer does not replace your current well log analysis program but. Compare the best free open source mac log analysis software at sourceforge. It is used to identify the potential for oil production at a given source and so forms the basis for the estimation of. You must be at least 18 years old to be eligible to trade in for credit or for an apple store gift card.
363 571 1199 1365 991 1384 1413 1208 499 680 1192 849 1237 689 549 1030 1518 316 795 1534 372 1146 1472 1267 998 650 1532 1115 1521 906 1437 738 464 169 1187 908 695 1453 1372 135 924